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path: root/linux/drivers/media/video/saa7134/saa7134-empress.c
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Diffstat (limited to 'linux/drivers/media/video/saa7134/saa7134-empress.c')
-rw-r--r--linux/drivers/media/video/saa7134/saa7134-empress.c125
1 files changed, 86 insertions, 39 deletions
diff --git a/linux/drivers/media/video/saa7134/saa7134-empress.c b/linux/drivers/media/video/saa7134/saa7134-empress.c
index ba32fd8f6..d4afbce9d 100644
--- a/linux/drivers/media/video/saa7134/saa7134-empress.c
+++ b/linux/drivers/media/video/saa7134/saa7134-empress.c
@@ -37,16 +37,7 @@ MODULE_LICENSE("GPL");
static unsigned int empress_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-MODULE_PARM(empress_nr,"1-" __stringify(SAA7134_MAXBOARDS) "i");
-#else
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
-static int dummy;
-module_param_array(empress_nr, int, dummy, 0444);
-#else
module_param_array(empress_nr, int, NULL, 0444);
-#endif
-#endif
MODULE_PARM_DESC(empress_nr,"ts device number");
static unsigned int debug;
@@ -119,9 +110,10 @@ static int ts_release(struct inode *inode, struct file *file)
{
struct saa7134_dev *dev = file->private_data;
+ mutex_lock(&dev->empress_tsq.vb_lock);
+
videobuf_stop(&dev->empress_tsq);
videobuf_mmap_free(&dev->empress_tsq);
- dev->empress_users--;
/* stop the encoder */
ts_reset_encoder(dev);
@@ -130,6 +122,10 @@ static int ts_release(struct inode *inode, struct file *file)
saa_writeb(SAA7134_AUDIO_MUTE_CTRL,
saa_readb(SAA7134_AUDIO_MUTE_CTRL) | (1 << 6));
+ dev->empress_users--;
+
+ mutex_unlock(&dev->empress_tsq.vb_lock);
+
return 0;
}
@@ -172,8 +168,7 @@ ts_mmap(struct file *file, struct vm_area_struct * vma)
static int empress_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
strcpy(cap->driver, "saa7134");
strlcpy(cap->card, saa7134_boards[dev->board].name,
@@ -228,8 +223,7 @@ static int empress_enum_fmt_vid_cap(struct file *file, void *priv,
static int empress_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
saa7134_i2c_call_clients(dev, VIDIOC_G_FMT, f);
@@ -242,8 +236,7 @@ static int empress_g_fmt_vid_cap(struct file *file, void *priv,
static int empress_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
saa7134_i2c_call_clients(dev, VIDIOC_S_FMT, f);
@@ -257,8 +250,7 @@ static int empress_s_fmt_vid_cap(struct file *file, void *priv,
static int empress_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
return videobuf_reqbufs(&dev->empress_tsq, p);
}
@@ -266,24 +258,21 @@ static int empress_reqbufs(struct file *file, void *priv,
static int empress_querybuf(struct file *file, void *priv,
struct v4l2_buffer *b)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
return videobuf_querybuf(&dev->empress_tsq, b);
}
static int empress_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
return videobuf_qbuf(&dev->empress_tsq, b);
}
static int empress_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
return videobuf_dqbuf(&dev->empress_tsq, b,
file->f_flags & O_NONBLOCK);
@@ -292,8 +281,7 @@ static int empress_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
static int empress_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
return videobuf_streamon(&dev->empress_tsq);
}
@@ -301,17 +289,25 @@ static int empress_streamon(struct file *file, void *priv,
static int empress_streamoff(struct file *file, void *priv,
enum v4l2_buf_type type)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
return videobuf_streamoff(&dev->empress_tsq);
}
+static int saa7134_i2c_call_saa6752(struct saa7134_dev *dev,
+ unsigned int cmd, void *arg)
+{
+ if (dev->mpeg_i2c_client == NULL)
+ return -EINVAL;
+ return dev->mpeg_i2c_client->driver->command(dev->mpeg_i2c_client,
+ cmd, arg);
+}
+
static int empress_s_ext_ctrls(struct file *file, void *priv,
struct v4l2_ext_controls *ctrls)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
+ int err;
/* count == 0 is abused in saa6752hs.c, so that special
case is handled here explicitly. */
@@ -321,23 +317,75 @@ static int empress_s_ext_ctrls(struct file *file, void *priv,
if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
- saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, ctrls);
+ err = saa7134_i2c_call_saa6752(dev, VIDIOC_S_EXT_CTRLS, ctrls);
ts_init_encoder(dev);
- return 0;
+ return err;
}
static int empress_g_ext_ctrls(struct file *file, void *priv,
struct v4l2_ext_controls *ctrls)
{
- struct saa7134_fh *fh = priv;
- struct saa7134_dev *dev = fh->dev;
+ struct saa7134_dev *dev = file->private_data;
if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
- saa7134_i2c_call_clients(dev, VIDIOC_G_EXT_CTRLS, ctrls);
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_G_EXT_CTRLS, ctrls);
+}
- return 0;
+static int empress_queryctrl(struct file *file, void *priv,
+ struct v4l2_queryctrl *c)
+{
+ static const u32 user_ctrls[] = {
+ V4L2_CID_USER_CLASS,
+ V4L2_CID_BRIGHTNESS,
+ V4L2_CID_CONTRAST,
+ V4L2_CID_SATURATION,
+ V4L2_CID_HUE,
+ V4L2_CID_AUDIO_VOLUME,
+ V4L2_CID_AUDIO_MUTE,
+ V4L2_CID_HFLIP,
+ 0
+ };
+
+ static const u32 mpeg_ctrls[] = {
+ V4L2_CID_MPEG_CLASS,
+ V4L2_CID_MPEG_STREAM_TYPE,
+ V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ,
+ V4L2_CID_MPEG_AUDIO_ENCODING,
+ V4L2_CID_MPEG_AUDIO_L2_BITRATE,
+ V4L2_CID_MPEG_VIDEO_ENCODING,
+ V4L2_CID_MPEG_VIDEO_ASPECT,
+ V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
+ V4L2_CID_MPEG_VIDEO_BITRATE,
+ V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
+ 0
+ };
+ static const u32 *ctrl_classes[] = {
+ user_ctrls,
+ mpeg_ctrls,
+ NULL
+ };
+ struct saa7134_dev *dev = file->private_data;
+
+ c->id = v4l2_ctrl_next(ctrl_classes, c->id);
+ if (c->id == 0)
+ return -EINVAL;
+ if (c->id == V4L2_CID_USER_CLASS || c->id == V4L2_CID_MPEG_CLASS)
+ return v4l2_ctrl_query_fill_std(c);
+ if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG)
+ return saa7134_queryctrl(file, priv, c);
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYCTRL, c);
+}
+
+static int empress_querymenu(struct file *file, void *priv,
+ struct v4l2_querymenu *c)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ if (V4L2_CTRL_ID2CLASS(c->id) != V4L2_CTRL_CLASS_MPEG)
+ return -EINVAL;
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYMENU, c);
}
static const struct file_operations ts_fops =
@@ -378,7 +426,8 @@ static struct video_device saa7134_empress_template =
.vidioc_g_input = empress_g_input,
.vidioc_s_input = empress_s_input,
- .vidioc_queryctrl = saa7134_queryctrl,
+ .vidioc_queryctrl = empress_queryctrl,
+ .vidioc_querymenu = empress_querymenu,
.vidioc_g_ctrl = saa7134_g_ctrl,
.vidioc_s_ctrl = saa7134_s_ctrl,
@@ -424,10 +473,8 @@ static int empress_init(struct saa7134_dev *dev)
if (NULL == dev->empress_dev)
return -ENOMEM;
*(dev->empress_dev) = saa7134_empress_template;
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)
dev->empress_dev->dev = &dev->pci->dev;
dev->empress_dev->release = video_device_release;
-#endif
snprintf(dev->empress_dev->name, sizeof(dev->empress_dev->name),
"%s empress (%s)", dev->name,
saa7134_boards[dev->board].name);
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-11 19:28:00 +0000